
.demo {
  position: relative;
  transition: .2s ease;
}

.grid {
  position: relative;
  width: auto;
  list-style: none;
  padding: 0;
  margin: 0 auto;
}

.grid-item {
  position: absolute;
  top: 0;
  left: 0;
   width: 23%;
   height: auto;
   border-radius: 5px;
   background-color: #fff;
   -webkit-transition: .3s ease-in-out;
   -o-transition: .3s ease-in-out;
   transition: .3s ease-in-out;
   border: 1px solid #e3e3e3;
  //  margin-left: 2%;
}
@media (max-width: 1366px) {
  .proNews{
    .tab-tit{
      padding: 30px 0 20px;
      .tab-list2{margin-left: 40px;}
    }
  }
  .grid-item {
    width: 30% !important;
  }
}
@media (max-width: 900px) {
  .grid-item {
    width: 29% !important;
  }
}
@media (max-width: 767px) {
  .proNews .tab-tit{padding: 30px 15px 20px;}
  .grid-item {
    width: 45% !important;
  }
}
@media (max-width: 610px) {
  .grid-item {
    width: 44% !important;
  }
}
@media (max-width: 510px) {
  .proNews{
    .grid{margin-left: -8px;}
    .tab-tit{
      padding-bottom: 0;
      .search{
        float: none;
      }
    }
    // .tab-con{padding-right: 30px;}
  }
  .grid-item {
    width: 92% !important;
  }
}
